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Emitting more x64.

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This commit is contained in:
Ben Vanik
2014-01-04 00:30:43 -08:00
parent 2468645bf2
commit 88b631b160
17 changed files with 633 additions and 109 deletions
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60
src/alloy/backend/x64/x64_emitter.cc
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@@ -159,5 +159,65 @@ int XbyakGenerator::Emit(LIRBuilder* builder) {
}
int XbyakGenerator::EmitInstruction(LIRInstr* instr) {
switch (instr->opcode->num) {
case LIR_OPCODE_NOP:
nop();
break;
case LIR_OPCODE_COMMENT:
break;
case LIR_OPCODE_SOURCE_OFFSET:
break;
case LIR_OPCODE_DEBUG_BREAK:
// TODO(benvanik): replace with debugging primitive.
db(0xCC);
break;
case LIR_OPCODE_TRAP:
// TODO(benvanik): replace with debugging primitive.
db(0xCC);
break;
case LIR_OPCODE_MOV:
if (instr->arg1_type() == LIROperandType::OFFSET) {
// mov [reg+offset], value
mov(ptr[rax + *instr->arg1<intptr_t>()], rbx);
} else if (instr->arg2_type() == LIROperandType::OFFSET) {
// mov reg, [reg+offset]
mov(rbx, ptr[rax + *instr->arg2<intptr_t>()]);
} else {
// mov reg, reg
mov(rax, rbx);
}
break;
case LIR_OPCODE_MOV_ZX:
//mov
break;
case LIR_OPCODE_MOV_SX:
//mov
break;
case LIR_OPCODE_TEST:
if (instr->arg0_type() == LIROperandType::REGISTER) {
if (instr->arg1_type() == LIROperandType::REGISTER) {
//test(instr->arg0<LIRRegister>())
}
}
break;
case LIR_OPCODE_JUMP_EQ: {
auto target = (*instr->arg0<LIRLabel*>());
je(target->name, T_NEAR);
break;
}
case LIR_OPCODE_JUMP_NE: {
auto target = (*instr->arg0<LIRLabel*>());
jne(target->name, T_NEAR);
break;
}
default:
// Unhandled.
break;
}
return 0;
}